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<head><title>CSS Flexbox: Crash caused by negative width in flex box</title>
<link href="mailto:cbiesinger@chromium.org" rel="author" title="Christian Biesinger">
<link href="https://drafts.csswg.org/css-flexbox-1/#box-model" rel="help">
<link href="https://crbug.com/490423" rel="issue">
<meta content="Check that crash doesn't happen in flex box with negative margin." name="assert">

<style>
div {
  display: flex;
}

.inner {
  margin-left: -4em;
}
</style>
</head><body><div>
    <div>
        <div class="inner">PASS if we don't assert</div>
    </div>
</div>
</body>
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